From df57dde06e3a781bbedd23da47134ade0758a73d Mon Sep 17 00:00:00 2001 From: ozpv <39195175+ozpv@users.noreply.github.com> Date: Sat, 15 Aug 2026 17:31:59 -0500 Subject: Add files via git push --- Core/Src/main.c | 265 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 265 insertions(+) create mode 100755 Core/Src/main.c (limited to 'Core/Src/main.c') diff --git a/Core/Src/main.c b/Core/Src/main.c new file mode 100755 index 0000000..94c23e4 --- /dev/null +++ b/Core/Src/main.c @@ -0,0 +1,265 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file : main.c + * @brief : Main program body + ****************************************************************************** + * @attention + * + * Copyright (c) 2026 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ +/* Includes ------------------------------------------------------------------*/ +#include "main.h" +#include "quadspi.h" +#include "gpio.h" + +/* Private includes ----------------------------------------------------------*/ +/* USER CODE BEGIN Includes */ +#include +/* USER CODE END Includes */ + +/* Private typedef -----------------------------------------------------------*/ +/* USER CODE BEGIN PTD */ + +/* USER CODE END PTD */ + +/* Private define ------------------------------------------------------------*/ +/* USER CODE BEGIN PD */ + +/* USER CODE END PD */ + +/* Private macro -------------------------------------------------------------*/ +/* USER CODE BEGIN PM */ + +/* USER CODE END PM */ + +/* Private variables ---------------------------------------------------------*/ + +/* USER CODE BEGIN PV */ + +/* USER CODE END PV */ + +/* Private function prototypes -----------------------------------------------*/ +void SystemClock_Config(void); +static void MPU_Config(void); +/* USER CODE BEGIN PFP */ + +/* USER CODE END PFP */ + +/* Private user code ---------------------------------------------------------*/ +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ + +/** + * @brief The application entry point. + * @retval int + */ +int main(void) +{ + + /* USER CODE BEGIN 1 */ + + /* USER CODE END 1 */ + + /* MPU Configuration--------------------------------------------------------*/ + MPU_Config(); + + /* MCU Configuration--------------------------------------------------------*/ + + /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ + HAL_Init(); + + /* USER CODE BEGIN Init */ + + /* USER CODE END Init */ + + /* Configure the system clock */ + SystemClock_Config(); + + /* USER CODE BEGIN SysInit */ + + /* USER CODE END SysInit */ + + /* Initialize all configured peripherals */ + MX_GPIO_Init(); + MX_QUADSPI_Init(); + /* USER CODE BEGIN 2 */ + + if (CSP_QUADSPI_Init() != HAL_OK) + { + Error_Handler(); + } + + if (CSP_QSPI_EnableMemoryMappedMode() != HAL_OK) + { + Error_Handler(); + } + + __disable_irq(); + + for (uint32_t i = 0; i < 8; i++) + { + NVIC->ICER[i] = 0xFFFFFFFF; + NVIC->ICPR[i] = 0xFFFFFFFF; + } + + SysTick->CTRL = 0x00000000; + SysTick->LOAD = 0x00000000; + SysTick->VAL = 0x00000000; + + __DSB(); + __ISB(); + + // get the application's stack pointer and Reset_Handler + volatile uint32_t Stack = *(__IO uint32_t *)0x90000000; + volatile uint32_t Reset_Handler = *(__IO uint32_t *)(0x90000000 + 4); + + // set stack pointer + // possibly set psp in the future if using rtos + __set_MSP(Stack); + + ((void (*)(void))Reset_Handler)(); + + /* USER CODE END 2 */ + + /* Infinite loop */ + /* USER CODE BEGIN WHILE */ + while (1) + { + /* USER CODE END WHILE */ + + /* USER CODE BEGIN 3 */ + } + /* USER CODE END 3 */ +} + +/** + * @brief System Clock Configuration + * @retval None + */ +void SystemClock_Config(void) +{ + RCC_OscInitTypeDef RCC_OscInitStruct = {0}; + RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; + + /** Supply configuration update enable + */ + HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY); + + /** Configure the main internal regulator output voltage + */ + __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0); + + while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {} + + /** Initializes the RCC Oscillators according to the specified parameters + * in the RCC_OscInitTypeDef structure. + */ + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; + RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; + RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; + RCC_OscInitStruct.PLL.PLLM = 5; + RCC_OscInitStruct.PLL.PLLN = 192; + RCC_OscInitStruct.PLL.PLLP = 2; + RCC_OscInitStruct.PLL.PLLQ = 15; + RCC_OscInitStruct.PLL.PLLR = 2; + RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2; + RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE; + RCC_OscInitStruct.PLL.PLLFRACN = 0; + if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) + { + Error_Handler(); + } + + /** Initializes the CPU, AHB and APB buses clocks + */ + RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK + |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2 + |RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1; + RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; + RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1; + RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2; + RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2; + RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2; + RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2; + RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2; + + if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK) + { + Error_Handler(); + } +} + +/* USER CODE BEGIN 4 */ + +/* USER CODE END 4 */ + + /* MPU Configuration */ + +void MPU_Config(void) +{ + MPU_Region_InitTypeDef MPU_InitStruct = {0}; + + /* Disables the MPU */ + HAL_MPU_Disable(); + + /** Initializes and configures the Region and the memory to be protected + */ + MPU_InitStruct.Enable = MPU_REGION_ENABLE; + MPU_InitStruct.Number = MPU_REGION_NUMBER0; + MPU_InitStruct.BaseAddress = 0x90000000; + MPU_InitStruct.Size = MPU_REGION_SIZE_16MB; + MPU_InitStruct.SubRegionDisable = 0x0; + MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL1; + MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS; + MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE; + MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE; + MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE; + MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE; + + HAL_MPU_ConfigRegion(&MPU_InitStruct); + /* Enables the MPU */ + HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT); + +} + +/** + * @brief This function is executed in case of error occurrence. + * @retval None + */ +void Error_Handler(void) +{ + /* USER CODE BEGIN Error_Handler_Debug */ + /* User can add his own implementation to report the HAL error return state */ + __disable_irq(); + while (1) + { + } + /* USER CODE END Error_Handler_Debug */ +} +#ifdef USE_FULL_ASSERT +/** + * @brief Reports the name of the source file and the source line number + * where the assert_param error has occurred. + * @param file: pointer to the source file name + * @param line: assert_param error line source number + * @retval None + */ +void assert_failed(uint8_t *file, uint32_t line) +{ + /* USER CODE BEGIN 6 */ + /* User can add his own implementation to report the file name and line number, + ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ + /* USER CODE END 6 */ +} +#endif /* USE_FULL_ASSERT */ -- cgit v1.2.3